Excellent. Huludao Naval Research Institute refers to the test site of the Naval Equipment Department of the Chinese People's Liberation Army, which is an important base for the testing and identification of new naval equipment. Huludao Naval Research Institute is mainly responsible for the testing and identification of naval equipment to ensure that new equipment can meet the needs of the navy. It has a high-quality scientific research team and advanced testing facilities and equipment, capable of conducting testing and identification of various complex underwater, surface, air and land equipment. It is also one of the important confidential units of the Navy, and its specific work needs to be kept strictly confidential. Therefore, Huludao Naval Research Institute is a very excellent military scientific research institution.